Vulnerability-Lookup

CNVD-2019-07052

Vulnerability from cnvd - Published: 2019-03-14

Title

Tiny C Compiler越界写入漏洞（CNVD-2019-07052）

Description

Tiny C Compiler是由Fabrice Bellard创建的x86、X86-64及ARM处理器C编译器。 Tiny C Compiler（亦称TinyCC或TCC）0.9.27中的tccasm.c中的use_section1函数存在越界写入漏洞，攻击者可通过特制源文件利用该漏洞导致8字节的越界写入，从而可导致拒绝服务。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://bellard.org/tcc/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-20374

Impacted products

Name
Fabrice Bellard Tiny C Compiler 0.9.27

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-20374"
    }
  },
  "description": "Tiny C Compiler\u662f\u7531Fabrice Bellard\u521b\u5efa\u7684x86\u3001X86-64\u53caARM\u5904\u7406\u5668C\u7f16\u8bd1\u5668\u3002\n\nTiny C Compiler\uff08\u4ea6\u79f0TinyCC\u6216TCC\uff090.9.27\u4e2d\u7684tccasm.c\u4e2d\u7684use_section1\u51fd\u6570\u5b58\u5728\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236\u6e90\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f48\u5b57\u8282\u7684\u8d8a\u754c\u5199\u5165\uff0c\u4ece\u800c\u53ef\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "unknown",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://bellard.org/tcc/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-07052",
  "openTime": "2019-03-14",
  "products": {
    "product": "Fabrice Bellard Tiny C Compiler 0.9.27"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-20374",
  "serverity": "\u4e2d",
  "submitTime": "2018-12-24",
  "title": "Tiny C Compiler\u8d8a\u754c\u5199\u5165\u6f0f\u6d1e\uff08CNVD-2019-07052\uff09"
}

CVE-2018-20374 (GCVE-0-2018-20374)

Vulnerability from cvelistv5 – Published: 2018-12-23 18:00 – Updated: 2024-08-05 11:58

Summary

An issue was discovered in Tiny C Compiler (aka TinyCC or TCC) 0.9.27. Compiling a crafted source file leads to an 8 byte out of bounds write in the use_section1 function in tccasm.c.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2265 records in the last 180 days details

References

1 reference

URL	Tags
https://lists.nongnu.org/archive/html/tinycc-deve…	x_refsource_MISC

Date Public

2018-12-23 00:00

Show details on NVD website

JSON

To clipboard

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        ],
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Sightings

Author	Source	Type	Date	Other

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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